Is Sferics Equipment Still Needed in the Cockpit?

It depends on the mission and how much money you’re willing to spend.

Scott Dennstaedt, Ph.D

Wednesday, July 03, 2024 at 01:47 PM ET

Verified

Edited By: tccjeremy

[Courtesy: Scott Dennstaedt]

Key Takeaways:

Sferics devices like Stormscope offer real-time, undelayed lightning detection, including prevalent intracloud strikes, providing immediate convective weather insight that ground-based, data-linked systems (which are delayed, gridded, and potentially lower resolution) cannot match.
Stormscope provides excellent "gross vectoring aid" by detecting storm intensity and activity up to 200 nm without attenuation, making it valuable for assessing the convective picture before and during flight.
While powerful, Stormscope requires pilot interpretation skills (e.g., understanding radial spread, frequent display clearing) and does not indicate precipitation or turbulence directly, thus serving as a crucial complement to, rather than a replacement for, data link weather solutions.

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Question: Now that ground-based lightning has made its way into our cockpits, is there still a need for a sferics device such as a Stormscope?

Answer: It depends on your mission and how many Ben Franklins you have to spare. Your sferics (short for radio atmospherics) equipment may represent the only real-time weather you’ll ever see in your cockpit.

Sure, panel-mounted and portable weather systems deliver their product in a timely fashion, but it will never be as immediate as your sferics device. Once you understand how to interpret your real-time lightning guidance, it can become a valuable asset in your in-flight aviation toolkit.